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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - systemz: "error in backend: Unsupported stack frame traversal count""
href="https://bugs.llvm.org/show_bug.cgi?id=41424">41424</a>
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<th>Summary</th>
<td>systemz: "error in backend: Unsupported stack frame traversal count"
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<th>Product</th>
<td>new-bugs
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<th>Version</th>
<td>8.0
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<th>Hardware</th>
<td>Other
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<th>OS</th>
<td>Linux
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>new bugs
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>arnd@linaro.org
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<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org
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<pre>Created <span class=""><a href="attachment.cgi?id=21745" name="attach_21745" title="preprocessed kernel/trace/trace_sched_wakeup.c">attachment 21745</a> <a href="attachment.cgi?id=21745&action=edit" title="preprocessed kernel/trace/trace_sched_wakeup.c">[details]</a></span>
preprocessed kernel/trace/trace_sched_wakeup.c
I get a build failure for various file when trying to compile the linux kernel
for s390 (systemz):
clang-8" "-cc1" "-triple" "s390x-unknown-linux-gnu" "-S" "-disable-free"
"-disable-llvm-verifier" "-discard-value-names" "-main-file-name"
"trace_sched_wakeup.c" "-mrelocation-model" "static" "-mthread-model" "posix"
"-relaxed-aliasing" "-fmath-errno" "-masm-verbose" "-no-integrated-as"
"-mconstructor-aliases" "-fuse-init-array" "-target-cpu" "z196" "-mbackchain"
"-dwarf-column-info" "-debug-info-kind=limited" "-dwarf-version=4"
"-debugger-tuning=gdb" "-momit-leaf-frame-pointer" "-coverage-notes-file"
"/git/arm-soc/y2038/obj-s390/kernel/trace/trace_sched_wakeup.gcno"
"-nostdsysteminc" "-nobuiltininc" "-sys-header-deps" "-D" "__KERNEL__" "-D"
"CONFIG_AS_CFI_VAL_OFFSET=1" "-D" "CC_USING_FENTRY" "-D"
"KBUILD_BASENAME=\"trace_sched_wakeup\"" "-D"
"KBUILD_MODNAME=\"trace_sched_wakeup\"" "-O2" "-Wall" "-Wundef"
"-Werror=strict-prototypes" "-Wno-trigraphs"
"-Werror=implicit-function-declaration" "-Werror=implicit-int"
"-Wno-format-security" "-Wno-sign-compare" "-Wno-format-invalid-specifier"
"-Wno-gnu" "-Wno-address-of-packed-member" "-Wno-tautological-compare"
"-Wno-unused-const-variable" "-Wdeclaration-after-statement" "-Wvla"
"-Wno-pointer-sign" "-Werror=date-time" "-Werror=incompatible-pointer-types"
"-Wno-initializer-overrides" "-Wno-unused-value" "-Wno-format"
"-Wno-sign-compare" "-Wno-format-zero-length" "-std=gnu89"
"-fno-dwarf-directory-asm" "-ferror-limit" "19" "-fmessage-length" "132"
"-fwrapv" "-fno-signed-char" "-fwchar-type=short" "-fno-signed-wchar"
"-fobjc-runtime=gcc" "-fno-common" "-fdiagnostics-show-option"
"-fcolor-diagnostics" "-vectorize-loops" "-vectorize-slp" "-x" "c"
"trace_sched_wakeup-ff17db.c"
fatal error: error in backend: Unsupported stack frame traversal count
I did not try reducing the test case, but could do so if it's not immediately
clear from the output where the problem is.</pre>
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